Patent 6167737: Vane forming apparatus
(METAL DEFORMING : BY DEFLECTING SUCCESSIVELY-PRESENTED PORTIONS OF WORK DURING BODILY MOVEMENT THEREOF (E.G., FOR COILING, LEVELLING, CURVING OR TROUGHING MATERIAL IN MOVEMENT) : With feeding of discrete articles or orienting of work relative to deflector (other than by deflector) : And actuation of cutter in timed relation to deflector or work movement)

Patent 6167752: Rotary viscometer with an air bearing
(MEASURING AND TESTING : LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID : Viscosity : Force reactance to member driven therein : Rotationally driven member : With detail (e.g., circuitry) of a drive means or a detecting means)